| article html file updated | 8 February 2020 22:06 CET | Update | https://www.mdpi.com/2079-6412/7/12/211 |
| article html file updated | 28 September 2019 17:27 CEST | Update | - |
| article html file updated | 2 May 2019 12:58 CEST | Update | - |
| article html file updated | 18 April 2019 10:36 CEST | Update | - |
| article html file updated | 2 January 2018 10:11 CET | Update | - |
| article html file updated | 24 November 2017 09:45 CET | Original file | - |
| article xml uploaded. | 24 November 2017 09:44 CET | Update | https://www.mdpi.com/2079-6412/7/12/211/xml |
| article xml uploaded. | 24 November 2017 09:44 CET | Original file | - |
| article pdf uploaded. | 24 November 2017 09:44 CET | Version of Record | https://www.mdpi.com/2079-6412/7/12/211/pdf |
